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Distributed QoS Guarantees for Realtime Traffic in Ad Hoc Networks

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Title: Distributed QoS Guarantees for Realtime Traffic in Ad Hoc Networks
Author(s): Yang, Yaling; Kravets, Robin H.
Subject(s): Wireless Networks Ad Hoc Networks Qos
Abstract: In this paper, we propose a new cross-layer framework, named QPART ( QoS br>rotocol for Adhoc Realtime Traffic), which provides QoS guarantees to real-time multimedia applications for wireless ad hoc networks. By adapting the contention window sizes at the MAC layer, QPART schedules packets of flows according to their unique QoS requirements. QPART implements priority-based admission control and conflict resolution to ensure that the requirements of admitted realtime flows is smaller than the network capacity. The novelty of QPART is that it is robust to mobility and variances in channel capacity and imposes no control message overhead on the network.
Issue Date: 2004-06
Genre: Technical Report
Type: Text
URI: http://hdl.handle.net/2142/10814
Rights Information: You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45 (forty-five) days from the most recent time that you verified that this technical report is still available from the University of Illinois at Urbana-Champaign Computer Science Department under terms that include this permission. All other rights are reserved by the author(s).
Date Available in IDEALS: 2009-04-14
 

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